Pentpentquadium (Ppq)

Pentpentquadium is the systematic name of the theoretical 554. element in the periodic table with a symbol of Ppq and atomic number of 554. Pentpentquadium, also known as element 554, has päť­sto päťdesiat­štyri protons in its nucleus, and päť­sto päťdesiat­štyri electrons in its shells.